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What We Scan For
Family: SMTP problems --> Category: mixed

HELO overflow Vulnerability Scan

Vulnerability Scan Summary
Checks if the remote mail server can be used to send anonymous mail

Detailed Explanation for this Vulnerability Test

The remote SMTP server seems to allow remote users to
send mail anonymously by providing arguments that are
too long to the HELO command (more than 1024 chars).

This problem may allow malicious users to send hate
mail or threatening mail using your server,
and keep their anonymity.

Threat Level: Low

Solution : If you are using sendmail, upgrade to
version 8.9.x or newer. If you do not run sendmail, contact
your vendor.

Click HERE for more information and discussions on this network vulnerability scan.


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Vulnerability Scanning Solutions, LLC.